data tree BUGFIX add missing API declaration to lyd_change_leaf
data tree BUGFIX add missing API declaration to lyd_change_leaf

Signed-off-by: Mislav Novakovic <5678c0d5a488e1fbc1213419c52ed0f667208fac@sartura.hr>

lukasmacko/libyang,PavolVican/libyang,PavolVican/libyang,PavolVican/libyang,PavolVican/libyang,PavolVican/libyang,lukasmacko/libyang